Question

In a cross of purple flowered heterozygous plants (Pp), the letter P represents the allele for purple flowers and the letter p represents the allele for white flowers. What is the probability that an offspring of this cross expresses plants with purple flower phenotypes?

Answer 1

so there would be a 75% chance of the flowers having purple offspring and a 25% chance of the flowers having white offspring. Or you could say, 3/4 of the offspring would be purple.

Answer 2

Answer:

Explanation:

A cross between two heterozygous individual

 Pp × Pp

      ║

PP Pp Pp pp = 4 offspring

Result

The genotypes of the offspring are  PP, Pp, pp

while the phenotypes= 3 purple (PP,Pp,pp) and 1 white (pp)

The probability that plants will express purple

since the total number of offspring is 4,

and 3 of plants are purple

therefore; 3/4×100= 75%

or 3/4= 0.75

the cross between these 2 individuals will produce 4 offspring with 3 genotypes PP, Pp, and pp in ratio 1:2:1 and the probability that the offspring will be purple is 3 out of 4 (3/4) where we have 2 purple(PP), and 1 (Pp).

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